Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10038086 | Process for forming a high electron mobility transistor | Ken Nakata, Isao Makabe, Keiichi Yui | 2018-07-31 |
| 9355843 | Semiconductor device and method of manufacturing the same | Keiichi Yui, Ken Nakata, Isao Makabe | 2016-05-31 |
| 9159821 | Nitride semiconductor device with limited instantaneous current reduction | Ken Nakata, Keiichi Yui, Hiroyuki Ichikawa | 2015-10-13 |
| 9123534 | Semiconductor device and method of manufacturing the same | Keiichi Yui, Ken Nakata, Isao Makabe | 2015-09-01 |
| 9029873 | Semiconductor device including an aluminum nitride layer having a calculated area-averaged circularity and a method of manufacturing the device | Ken Nakata, Keiichi Yui, Isao Makabe, Hiroyuki Ichikawa | 2015-05-12 |
| 6661557 | Optical modulator | Takashi Mitsuma | 2003-12-09 |